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The theory of transformations in metals and alloys
J.W. Christian,H. M. Otte +1 more
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TLDR
In this paper, the authors present a general introduction to the theory of transformation kinetics of real metals, including the formation and evolution of martensitic transformations, as well as a theory of dislocations.Abstract:
Part I General introduction. Formal geometry of crystal lattices. The theory of reaction rates. The thermodynamics of irreversable processes. The structure of real metals. Solids solutions. The theory of dislocations. Polycrystalline aggregates. Diffusion in the solid state. The classical theory of nucleation. Theory of thermally activated growth. Formal theory of transformation kinetics. Part II Growth from the vapour phase. Solidification and melting. Polymorphic Changes. Precipitation from supersaturated solid solution. Eutectoidal transformations. Order-disorder transformations. Recovery recrystalisation and grain growth. Deformation twinning. Characteristics of martensic transformations. Crystallography of martensitic transformations. Kinetics of martensitic transformations. Rapid solidification. Bainite steels. Shape memory alloys.read more
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In-situ observations of lattice parameter fluctuations in austenite and transformation to bainite
S. Suresh Babu,Eliot D. Specht,Stan A David,Evgenia Karapetrova,P. Zschack,M. J. Peet,Harry Bhadeshia +6 more
TL;DR: In this paper, the isothermal transformation of high carbon austenite-to-bainitic ferrite has been investigated with the in-situ technique of time-resolved X-ray diffraction using synchrotron radiation.
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The Lattice-Parameters of Austenite and Ferrite in Fe-C Alloys as Functions of Carbon Concentration and Temperature
M. Onink,C.M. Brakman,Frans D. Tichelaar,Eric J. Mittemeijer,S. van der Zwaag,John H. Root,Norman B. Konyer +6 more
TL;DR: In this paper, in-situ neutron diffraction experiments on Fe-C alloys were performed to determine the lattice parameter of the austenitic and ferritic phases in a temperature region from just below to just above the bi-phasic austenite/ferrite region.
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Dissociation and core structure of 〈110〉 screw dislocations in L12 ordered alloys I. Core structure in an unstressed crystal
TL;DR: In this article, the core structure of screw dislocations in ordered alloys with the L12 structure has been studied using computer simulation techniques, and the dislocations lying on both {111} arid {100} planes in stress-free crystals were studied using three different interatomic potentials corresponding to different antiphase boundary (ABP) and complex stacking fault (CSF) energies on { 111} planes.
Journal ArticleDOI
Annealing characteristics of Si‐rich SiO2 films
TL;DR: In this article, the growth and crystallinity of the silicon clusters were monitored by transmission electron microscopy and the minimum silicon crystal diameter was measured at 2.5 nm for both atmospheric and plasma-enhanced CVD films.
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Precipitates in Al–Cu alloys revisited: Atom-probe tomographic experiments and first-principles calculations of compositional evolution and interfacial segregation
TL;DR: In this paper, atom-probe tomography, transmission electron microscopy, X-ray diffraction and first-principles calculations are employed to study compositional evolution of GPII zones and θ′ precipitates, and solute segregation at α-Al/θ′ interfaces in Al-1.7 at.% Cu alloys.